Table 1 Assignment of FTIR absorption bands of Z-CFX, CFX and LZH
Assignment | cm-1 | ||
|---|---|---|---|
LZH | CFX | Z-CFX | |
υ(OH) of lattice, υ(O–H) COOH, υ(N–H) NH | 3670 – 3200 | – | 3670 – 3200 |
υ(COOH) | – | 1711 | – |
δ(OH) of H2O | 1639 w | – | – |
υ(C = O) ketone | – | 1624 s | 1632 s |
υasym(COO–) | – | – | 1579 |
υ(NO3–) | 1385 s | – | 1385 sup |
υsym(COO–) | – | – | 1385 sup |
υ(C–N) | – | 1310 m | 1306 m |
υ(C–C–C) ketone | – | 1269 m | 1265 m |
υ(C–F) | – | 1048 m | 1036 w |